1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 15:17:36 +00:00

LibWeb: Remove duplicated auto height computation

Note that these two implementation differ, but the one in
FormattingContext.cpp seems to be more complete. It is also more recent.
This commit is contained in:
Ben Wiederhake 2021-10-27 23:48:06 +02:00 committed by Andreas Kling
parent 84b15cc7b1
commit 934360583f
3 changed files with 22 additions and 59 deletions

View file

@ -289,50 +289,6 @@ void BlockFormattingContext::compute_width_for_block_level_replaced_element_in_n
box.set_width(compute_width_for_replaced_element(box));
}
static float compute_auto_height_for_block_level_element(Box const& box)
{
Optional<float> top;
Optional<float> bottom;
if (box.children_are_inline()) {
// If it only has inline-level children, the height is the distance between
// the top of the topmost line box and the bottom of the bottommost line box.
auto& block_container = verify_cast<Layout::BlockContainer>(box);
if (!block_container.line_boxes().is_empty()) {
for (auto& fragment : block_container.line_boxes().first().fragments()) {
if (!top.has_value() || fragment.offset().y() < top.value())
top = fragment.offset().y();
}
for (auto& fragment : block_container.line_boxes().last().fragments()) {
if (!bottom.has_value() || (fragment.offset().y() + fragment.height()) > bottom.value())
bottom = fragment.offset().y() + fragment.height();
}
}
} else {
// If it has block-level children, the height is the distance between
// the top margin-edge of the topmost block-level child box
// and the bottom margin-edge of the bottommost block-level child box.
box.for_each_child_of_type<Box>([&](Layout::Box& child_box) {
if (child_box.is_absolutely_positioned())
return IterationDecision::Continue;
if ((box.computed_values().overflow_y() == CSS::Overflow::Visible) && child_box.is_floating())
return IterationDecision::Continue;
float child_box_top = child_box.effective_offset().y() - child_box.box_model().margin_box().top;
float child_box_bottom = child_box.effective_offset().y() + child_box.height() + child_box.box_model().margin_box().bottom;
if (!top.has_value() || child_box_top < top.value())
top = child_box_top;
if (!bottom.has_value() || child_box_bottom > bottom.value())
bottom = child_box_bottom;
return IterationDecision::Continue;
});
}
return bottom.value_or(0) - top.value_or(0);
}
float BlockFormattingContext::compute_theoretical_height(const Box& box)
{
auto& computed_values = box.computed_values();
@ -345,7 +301,7 @@ float BlockFormattingContext::compute_theoretical_height(const Box& box)
} else {
if (box.computed_values().height().is_undefined_or_auto()
|| (computed_values.height().is_percentage() && !containing_block.computed_values().height().is_absolute())) {
height = compute_auto_height_for_block_level_element(box);
height = compute_auto_height_for_block_level_element(box, ConsiderFloats::No);
} else {
height = computed_values.height().resolved_or_auto(box, containing_block.height()).to_px(box);
}